ASS

//somewhere above
enum ECENUM { Float:EC_OPos[3], EC_Text[128], Float:EC_IPos[3], EC_Interiorid, EC_Objectid[2] };
new EnterCords[][ECENUM] =
{
    {{0.0, 0.0, 0.0}, "Undefined Building", {0.0, 0.0, 0.0}, 0},
    {{0.0, 0.0, 0.0}, "Undefined Building", {0.0, 0.0, 0.0}, 0},
    {{0.0, 0.0, 0.0}, "Undefined Building", {0.0, 0.0, 0.0}, 0}
};

//OnGameModeInit
    for(new c; c < sizeof(EnterCords); c++)
    {
        EnterCords[c][EC_Objectid][0] = CreatePickup(1239, 23, EnterCords[c][EC_OPos][0], EnterCords[c][EC_OPos][1], EnterCords[c][EC_OPos][2]);
        EnterCords[c][EC_Objectid][1] = CreatePickup(1239, 23, EnterCords[c][EC_IPos][0], EnterCords[c][EC_IPos][1], EnterCords[c][EC_IPos][2]);
    }

//OnPlayerCommandText
    if(strcmp("/enter", cmdtext, true) == 0)
    { //you dont need to change anything here
        for(new c; c < sizeof(EnterCords); c++)
        {
            if(PlayerToPoint(2.5, playerid, EnterCords[c][EC_OPos][0], EnterCords[c][EC_OPos][1], EnterCords[c][EC_OPos][2]))
            {
                SetPlayerPos(playerid, EnterCords[c][EC_IPos][0], EnterCords[c][EC_IPos][1], EnterCords[c][EC_IPos][2]);
                return SetPlayerInterior(playerid, EnterCords[c][EC_Interiorid]);
            }
        }
    }

    if(strcmp("/exit", cmdtext, true) == 0)
    { //you dont need to change anything here
        for(new c; c < sizeof(EnterCords); c++)
        {
            if(PlayerToPoint(2.5, playerid, EnterCords[c][EC_IPos][0], EnterCords[c][EC_IPos][1], EnterCords[c][EC_IPos][2]))
            {
                SetPlayerPos(playerid, EnterCords[c][EC_OPos][0], EnterCords[c][EC_OPos][1], EnterCords[c][EC_OPos][2]);
                return SetPlayerInterior(playerid, 0);
            }
        }
    }

//OnPlayerPickUpPickup
    for(new c, string[128]; c < sizeof(EnterCords); c++)
    {
        if(EnterCords[c][EC_Objectid][0] == pickupid)
            format(string, sizeof(string), "~r~%s~n~Type /enter to enter", EnterCords[c][EC_Text]);
        else if(EnterCords[c][EC_Objectid][1] == pickupid)
            format(string, sizeof(string), "~r~%s~n~Type /exit to leave", EnterCords[c][EC_Text]);
        if(string[0] != EOS)
        {
            GameTextForPlayer(playerid, string, 5000, 4);
            break;
        }
    }